Author Topic: EPMA Laboratory Analytical Services  (Read 7854 times)

John Donovan

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EPMA Laboratory Analytical Services
« on: March 08, 2014, 10:16:57 am »
This topic is for each EPMA lab that provides analytical services to post a short description of your EPMA facility and a listing of your instrumentation and capabilities along with recharge rates and other contact information as desired...

Based on our Google ranking this is a good opportunity to get some extra "hits", as they say, for your own lab!
« Last Edit: March 09, 2014, 02:32:06 pm by John Donovan »
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Probeman

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Re: EPMA Laboratory Analytical Services
« Reply #1 on: March 08, 2014, 10:26:06 am »
OK, I'll go first I guess.

The University of Oregon CAMCOR MicroAnalytical Facility provides EPMA and SEM analytical services for students, faculty, government and commercial clients. Our curent instrumentation consists of:

The Cameca SX100 electron microprobe which used for high accuracy elemental characterization on the micro (bulk samples) and nano scales (thin films) for major, minor and trace element concentrations. It can provide qualitative (identification) and quantitative (composition) for Be to U and also x-ray, secondary, backscatter and cathodo-luminescence imaging. EPMA typically produce results with better than a few percent accuracy for compositions over the entire periodic table and even better accuracy for silicates, ceramics and glasses.

The SX100 is equipped with 5 WDS, SE, BSE and cathodo-luminescence detection, also a Thermo NSS SDD EDS spectrometer for spectrum imaging and phase mapping. And also an Ocean Optics CL spectrometer for CL spectroscopy.

The FEI Quanta is a high resolution, high output thermal field emission microscope with 3-5 nm resolution and a high sensitivity backscatter (BSE) detector for atomic number contrast. It also has a high sensitivity cathodo-luminescence (CL) system, a high speed SDD for spectral imaging and phase analysis and an HKL electron backscatter detection (EBSD) system for orientation imaging and texture mapping of crystalline and polycrystalline materials. It can image uncoated non-conductive samples and even wet samples by staying above the partial pressure of water.

Our man laboratory contact page is here:

http://camcor.uoregon.edu/

Our MicroAnalytical Facility pages are here (old):

http://epmalab.uoregon.edu/

and here (new):

http://camcor.uoregon.edu/labs/microanalytical

Our instrument users rates are listed here:

http://epmalab.uoregon.edu/recharge.htm

Attached is a short outline of more instrument and building performance details
« Last Edit: December 21, 2019, 09:39:14 am by Probeman »
The only stupid question is the one not asked!

cschwandt

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Re: EPMA Laboratory Analytical Services
« Reply #2 on: March 10, 2014, 06:11:59 am »
McCrone Associates, Inc. specializes in investigational analysis of particulate.  Contaminants and manufacturing defects commonly occur at the micrometer and smaller sizes in most raw materials and finished products.  Isolation of such particles from the matrix they reside in and characterization of those particles using multiple microscopy methods, including EPMA, is our business. 

Our electron optics instruments include:
Two variable pressure tungsten filament instruments both equipped with large area SDD detectors.  JSM-6480LV, JSM-6610LV; Oxford Instruments X-Max 50 & X-Max 80.
A cold cathode field emission scanning electron microscope with SDD, LABE, and STEM detectors.  JSM-7500F; Thermo Noran System Six 30mm
A thermal field emission scanning electron microscope with SDD, LABE, WDS, EBSD. JSM-7600F, Oxford Instruments X-Max 50, Wave, and NordlysNano
A five WDS spectrometer one EDS spectrometer electron microprobe.  JXA-8200 and Oxford Instruments X-Max 20N
Two ASPEX automated particle analysis SEMs.
A 300 kV LaB6 TEM with STEM and backscatter detectors, a SDD, EELS, EFTEM, and multiple digital cameras. JEM-3010, Oxford Instruments, Gatan

As client projects are investigational in nature, project costs are determined based on time and instruments used.  One of our project leaders may be contacted to discuss your analytical requirements.  More details about our facilities and capabilities can be found at our web site.   www.mccrone.com


Owen Neill

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Re: EPMA Laboratory Analytical Services
« Reply #3 on: March 10, 2014, 11:16:23 am »
The WSU GeoAnalytical Lab has been providing analyses of rocks and minerals to the geologic research community beginning in 1978. We house a Finnigan Neptune and a Finnigan Element2, both with optional laser ablation (New Wave 213 nm) sampling, a Thermo-ARL automated X-ray fluorescence spectrometer (XRF), a Siemens D500 automated X-ray powder diffractometer (XRD), an Agilent inductively coupled plasma mass spectrometer (ICP-MS), a JEOL JXA-8500F field emission electron microprobe/scanning electron microscope, and two automated Finnigan-MAT gas source mass spectrometers.

Our electron microprobe is equipped with:
- Schottky-type field-emission electron source
- 5 wavelength-dispersive X-ray spectrometers with a variety of diffracting crystals (TAP, PET, LiF, LDE1, LDE2, LDE6, LDEB)
- 1 energy-dispersive X-ray spectrometer (ThermoScientific Ultra-Dry with ThermoNSS analysis software)
- Gatan MiniCL cathodoluminescence imaging system
- Secondary and Backscatter Electron detectors
- ProbeForEPMA and JEOL automation and analysis software

Relevant links:
Main GeoAnalytical Lab website: http://environment.wsu.edu/facilities/geolab/
Equipment list with links to details: http://environment.wsu.edu/facilities/geolab/labequipment/
Price list: http://environment.wsu.edu/facilities/geolab/price-list.html

Probeman

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Re: EPMA Laboratory Analytical Services
« Reply #4 on: November 23, 2015, 08:15:58 am »
Just a quick post to point out our heavily modified (Oxford) parabolic mirror CL acquisition system on the FEI Quanta instrument.  Here is a pic:

http://camcor.uoregon.edu/equipment/fei-quanta-200-esemvpsem-microscopes

The modified CL system is on the right side of the picture in the link above.

Our machine shop modified the old Oxford hardware and replaced the sliding o-ring seal with a pneumatic actuated system with a fixed light pipe and Sylphon bellows vacuum seal. This small change increased the light gathering by roughly a factor of 50.  That is I had to decrease the beam current on the instrument by a factor of 50 or so, to avoid saturating the PMT!

Right now we are using the light pipe on the parabolic mirror to a filter wheel (R, G, B, UV and 99% neutral density) to a PMT.  There is also a mirror coupled connection to a fiber optic that goes to an Ocean Optics spectrometer, but we are moving the CL spectrometer to a direct lens coupled fiber adjacent to the sample for better efficiency.  The parabolic mirror optics doesn't allow optimum focusing to a fiber unfortunately.
« Last Edit: November 23, 2015, 08:23:22 am by John Donovan »
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SCGene

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Re: EPMA Laboratory Analytical Services
« Reply #5 on: November 25, 2015, 11:16:15 am »
What is the age/name of the old Oxford CL system?  I don't see a CL system on the Oxford website.

Probeman

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Re: EPMA Laboratory Analytical Services
« Reply #6 on: November 25, 2015, 12:44:21 pm »
What is the age/name of the old Oxford CL system?  I don't see a CL system on the Oxford website.

Hi Gene,
You are exactly correct.

Long story but Oxford developed this unit (model CL302) in the 1980s(?), but then sold the division off to Gatan in the 1990s, I think.

We modified it heavily and the parabolic mirror, filter wheel and PMT is very sensitive and works very well for imaging.  Now we're adding a separate CL fiber system collection system connected to an Ocean Optics spectrometer to bypass this old unit (which we will still keep for imaging), for spectrum acquisition.





To explain further, the mirror coupled fiber optic in the pics above is being replaced by a direct lens coupled design which will be positioned near the objective lens and sample to get better collection efficiency.
« Last Edit: November 25, 2015, 05:06:23 pm by Probeman »
The only stupid question is the one not asked!

Probeman

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Re: EPMA Laboratory Analytical Services
« Reply #7 on: December 15, 2015, 12:29:46 pm »
I swear I had nothing to do with the image selection, but our new CAMCOR lab web site design features a pretty cool looking laboratory on the main page:

http://camcor.uoregon.edu/
The only stupid question is the one not asked!